import java.util.*;
abstract  class  f{
    int  a;
    public f(int a) {
        this.a = a;
    }

    public abstract void fun(int x);

}
class  a extends f {
    public a(int a) {
        super(a);
    }

    public  void fun(int x){

    }
}
class Main{

    public static void main(String[] args){
        Scanner sc=new Scanner(System.in);
        System.out.print(111);
        System.out.print(222);
    }
}
class myException extends Exception{
    int a;
    public myException(int a){
        this.a=a;
    }
    public String toString(){
        return a+"invalid!";
    }
}


